Mercurial > hg > nginx

annotate src/http/ngx_http_cache.c @ 202:74994aeef848

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-12-01-19:28:14 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 01 Dec 2003 16:28:14 +0000
parents 267ea1d98683
children c9da5900c79e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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70d2345a903f nginx-0.0.1-2003-05-29-17:02:09 import
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1
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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2 #include <ngx_config.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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3 #include <ngx_core.h>
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4 #include <ngx_http.h>
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02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import
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8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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8 static ngx_http_module_t ngx_http_cache_module_ctx = {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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9 NULL, /* pre conf */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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10
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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11 NULL, /* create main configuration */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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12 NULL, /* init main configuration */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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13
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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14 NULL, /* create server configuration */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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15 NULL, /* merge server configuration */
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16
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267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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17 NULL, /* create location configuration */
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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18 NULL /* merge location configuration */
195
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19 };
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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20
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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21
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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22 ngx_module_t ngx_http_cache_module = {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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23 NGX_MODULE,
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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24 &ngx_http_cache_module_ctx, /* module context */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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25 NULL, /* module directives */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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26 NGX_HTTP_MODULE, /* module type */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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27 NULL, /* init module */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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28 NULL /* init child */
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
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29 };
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30
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31
201
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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32 ngx_http_cache_t *ngx_http_cache_get(ngx_http_cache_hash_t *hash,
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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33 ngx_http_cleanup_t *cleanup,
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34 ngx_str_t *key, uint32_t *crc)
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35 {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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36 ngx_uint_t i;
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37 ngx_http_cache_t *c;
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38
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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39 *crc = ngx_crc(key->data, key->len);
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40
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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41 c = hash->elts + *crc % hash->hash * hash->nelts;
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42
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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43 ngx_mutex_lock(&hash->mutex);
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44
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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45 for (i = 0; i < hash->nelts; i++) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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46 if (c[i].crc == *crc
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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47 && c[i].key.len == key->len
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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48 && ngx_rstrncmp(c[i].key.data, key->data, key->len) == 0)
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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49 {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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50 c[i].refs++;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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51 ngx_mutex_unlock(&hash->mutex);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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52
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74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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53 if ((!(c[i].notify && (ngx_event_flags & NGX_HAVE_KQUEUE_EVENT)))
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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parents: 201
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54 && (ngx_cached_time - c[i].updated >= hash->update))
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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55 {
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
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56 c[i].expired = 1;
201
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57 }
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58
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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59 if (cleanup) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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60 cleanup->data.cache.hash = hash;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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61 cleanup->data.cache.cache = &c[i];
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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62 cleanup->valid = 1;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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63 cleanup->cache = 1;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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64 }
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65
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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66 return &c[i];
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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67 }
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68 }
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69
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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70 ngx_mutex_unlock(&hash->mutex);
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71
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72 return NULL;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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73 }
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74
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76 ngx_http_cache_t *ngx_http_cache_alloc(ngx_http_cache_hash_t *hash,
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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77 ngx_http_cache_t *cache,
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78 ngx_http_cleanup_t *cleanup,
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79 ngx_str_t *key, uint32_t crc,
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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80 ngx_str_t *value, ngx_log_t *log)
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81 {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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82 time_t old;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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83 ngx_uint_t i;
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84 ngx_http_cache_t *c;
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85
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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86 old = ngx_cached_time + 1;
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87
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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88 c = hash->elts + crc % hash->hash * hash->nelts;
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89
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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90 ngx_mutex_lock(&hash->mutex);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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91
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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92 if (cache == NULL) {
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93
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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94 /* allocate a new entry */
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95
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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96 for (i = 0; i < hash->nelts; i++) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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97 if (c[i].refs > 0) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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98 /* a busy entry */
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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99 continue;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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100 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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101
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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102 if (c[i].key.len == 0) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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103 /* a free entry is found */
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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104 cache = &c[i];
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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105 break;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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106 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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107
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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108 /* looking for the oldest cache entry */
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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109
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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110 if (old > c[i].accessed) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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111
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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112 old = c[i].accessed;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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113 cache = &c[i];
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114 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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115 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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116
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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117 if (cache == NULL) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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118 ngx_mutex_unlock(&hash->mutex);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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119 return NULL;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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120 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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121
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
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parents: 200
diff changeset
122 ngx_http_cache_free(cache, key, value, log);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
123
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
124 if (cache->key.data == NULL) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
125 cache->key.data = ngx_alloc(key->len, log);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
126 if (cache->key.data == NULL) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
127 ngx_http_cache_free(cache, NULL, NULL, log);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
128 ngx_mutex_unlock(&hash->mutex);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
129 return NULL;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
130 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
131 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
132
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
133 cache->key.len = key->len;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
134 ngx_memcpy(cache->key.data, key->data, key->len);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
135
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
136 } else if (value) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
137 ngx_http_cache_free(cache, key, value, log);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
138 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
139
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
140 if (value) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
141 if (cache->data.value.data == NULL) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
142 cache->data.value.data = ngx_alloc(value->len, log);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
143 if (cache->data.value.data == NULL) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
144 ngx_http_cache_free(cache, NULL, NULL, log);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
145 ngx_mutex_unlock(&hash->mutex);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
146 return NULL;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
147 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
148 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
149
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
150 cache->data.value.len = value->len;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
151 ngx_memcpy(cache->data.value.data, value->data, value->len);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
152 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
153
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
154 cache->crc = crc;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
155 cache->key.len = key->len;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
156
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
157 cache->refs = 1;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
158 cache->count = 0;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
159
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
160 cache->deleted = 0;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 201
diff changeset
161 cache->expired = 0;
201
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
162 cache->memory = 0;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
163 cache->mmap = 0;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
164 cache->notify = 0;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
165
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
166 if (cleanup) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
167 cleanup->data.cache.hash = hash;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
168 cleanup->data.cache.cache = cache;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
169 cleanup->valid = 1;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
170 cleanup->cache = 1;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
171 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
172
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
173 ngx_mutex_unlock(&hash->mutex);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
174
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
175 return cache;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
176 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
177
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
178
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
179 void ngx_http_cache_free(ngx_http_cache_t *cache,
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
180 ngx_str_t *key, ngx_str_t *value, ngx_log_t *log)
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
181 {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
182 if (cache->memory) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
183 if (cache->data.value.data
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
184 && (value == NULL || value->len > cache->data.value.len))
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
185 {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
186 ngx_free(cache->data.value.data);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
187 cache->data.value.data = NULL;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
188 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
189 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
190
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
191 /* TODO: mmap */
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
192
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
193 cache->data.value.len = 0;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
194
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
195 if (cache->fd != NGX_INVALID_FILE) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
196
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
197 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0,
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
198 "http cache close fd: %d", cache->fd);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
199
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
200 if (ngx_close_file(cache->fd) == NGX_FILE_ERROR) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
201 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
202 ngx_close_file_n " \"%s\" failed",
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
203 cache->key.data);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
204 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
205
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
206 cache->fd = NGX_INVALID_FILE;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
207 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
208
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
209 if (cache->key.data && (key == NULL || key->len > cache->key.len)) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
210 ngx_free(cache->key.data);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
211 cache->key.data = NULL;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
212 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
213
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
214 cache->key.len = 0;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
215
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
216 cache->refs = 0;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
217 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
218
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
219
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
220 void ngx_http_cache_unlock(ngx_http_cache_hash_t *hash,
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
221 ngx_http_cache_t *cache, ngx_log_t *log)
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
222 {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
223 ngx_mutex_lock(&hash->mutex);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
224
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
225 cache->refs--;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
226
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
227 if (cache->refs == 0 && cache->deleted) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
228 ngx_http_cache_free(cache, NULL, NULL, log);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
229 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
230
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
231 ngx_mutex_unlock(&hash->mutex);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
232 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
233
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
234
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
235 #if 0
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
236
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
237 ngx_add_file_event(ngx_fd_t, ngx_event_handler_pt *handler, void *data)
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
238 {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
239 ngx_event_t *ev;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
240
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
241 ev = &ngx_cycle->read_events[fd];
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
242 ngx_memzero(ev, sizeof(ngx_event_t);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
243
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
244 ev->data = data;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 201
diff changeset
245 ev->event_handler = ngx_http_cache_invalidate;
201
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
246
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
247 return ngx_add_event(ev, NGX_VNODE_EVENT, 0);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
248 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
249
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
250
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
251 void ngx_http_cache_invalidate(ngx_event_t *ev)
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
252 {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
253 ngx_http_cache_ctx_t *ctx;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
254
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
255 ctx = ev->data;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
256
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
257 ngx_http_cache_lock(&ctx->hash->mutex);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
258
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
259 if (ctx->cache->refs == 0)
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
260 ngx_http_cache_free(ctx->cache, NULL, NULL, ctx->log);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
261
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
262 } else {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
263 ctx->cache->deleted = 1;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
264 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
265
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
266 ngx_http_cache_unlock(&ctx->hash->mutex);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
267 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
268
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
269 #endif
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
270
195
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents: 191
diff changeset
271
201
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
272 /* TODO: currently fd only */
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
273
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
274 ngx_int_t ngx_http_send_cached(ngx_http_request_t *r)
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
275 {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
276 ngx_int_t rc;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
277 ngx_hunk_t *h;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
278 ngx_chain_t out;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
279 ngx_http_log_ctx_t *ctx;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
280
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
281 ctx = r->connection->log->data;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
282 ctx->action = "sending response to client";
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
283
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
284 r->headers_out.status = NGX_HTTP_OK;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
285 r->headers_out.content_length_n = r->cache->data.size;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
286 r->headers_out.last_modified_time = r->cache->last_modified;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
287
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
288 if (ngx_http_set_content_type(r) != NGX_OK) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
289 return NGX_HTTP_INTERNAL_SERVER_ERROR;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
290 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
291
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
292 /* we need to allocate all before the header would be sent */
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
293
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
294 if (!(h = ngx_pcalloc(r->pool, sizeof(ngx_hunk_t)))) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
295 return NGX_HTTP_INTERNAL_SERVER_ERROR;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
296 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
297
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
298 if (!(h->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t)))) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
299 return NGX_HTTP_INTERNAL_SERVER_ERROR;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
300 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
301
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
302 rc = ngx_http_send_header(r);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
303
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
304 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
305 return rc;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
306 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
307
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
308 h->type = r->main ? NGX_HUNK_FILE : NGX_HUNK_FILE|NGX_HUNK_LAST;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
309
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
310 h->file_pos = 0;
202
74994aeef848 nginx-0.0.1-2003-12-01-19:28:14 import
Igor Sysoev <igor@sysoev.ru>
parents: 201
diff changeset
311 h->file_last = r->cache->data.size;
201
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
312
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
313 h->file->fd = r->cache->fd;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
314 h->file->log = r->connection->log;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
315
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
316 out.hunk = h;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
317 out.next = NULL;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
318
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
319 return ngx_http_output_filter(r, &out);
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
320 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
321
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
322
199
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
323 char *ngx_http_set_cache_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
324 {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
325 char *p = conf;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
326
201
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
327 ngx_int_t i, j, dup, invalid;
199
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
328 ngx_str_t *value, line;
201
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
329 ngx_http_cache_t *c;
199
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
330 ngx_http_cache_hash_t *ch, **chp;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
331
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
332 chp = (ngx_http_cache_hash_t **) (p + cmd->offset);
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
333 if (*chp) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
334 return "is duplicate";
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
335 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
336
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
337 if (!(ch = ngx_pcalloc(cf->pool, sizeof(ngx_http_cache_hash_t)))) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
338 return NGX_CONF_ERROR;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
339 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
340 *chp = ch;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
341
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
342 dup = 0;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
343 invalid = 0;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
344
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
345 value = cf->args->elts;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
346
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
347 for (i = 1; i < cf->args->nelts; i++) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
348
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
349 if (value[i].data[1] != '=') {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
350 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
351 "invalid value \"%s\"", value[i].data);
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
352 return NGX_CONF_ERROR;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
353 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
354
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
355 switch (value[i].data[0]) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
356
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
357 case 'h':
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
358 if (ch->hash) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
359 dup = 1;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
360 break;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
361 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
362
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
363 ch->hash = ngx_atoi(value[i].data + 2, value[i].len - 2);
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
364 if (ch->hash == (size_t) NGX_ERROR || ch->hash == 0) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
365 invalid = 1;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
366 break;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
367 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
368
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
369 continue;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
370
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
371 case 'n':
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
372 if (ch->nelts) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
373 dup = 1;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
374 break;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
375 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
376
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
377 ch->nelts = ngx_atoi(value[i].data + 2, value[i].len - 2);
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
378 if (ch->nelts == (size_t) NGX_ERROR || ch->nelts == 0) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
379 invalid = 1;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
380 break;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
381 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
382
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
383 continue;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
384
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
385 case 'l':
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
386 if (ch->life) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
387 dup = 1;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
388 break;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
389 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
390
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
391 line.len = value[i].len - 2;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
392 line.data = value[i].data + 2;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
393
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
394 ch->life = ngx_parse_time(&line, 1);
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
395 if (ch->life == NGX_ERROR || ch->life == 0) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
396 invalid = 1;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
397 break;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
398 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
399
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
400 continue;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
401
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
402 case 'u':
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
403 if (ch->update) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
404 dup = 1;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
405 break;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
406 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
407
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
408 line.len = value[i].len - 2;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
409 line.data = value[i].data + 2;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
410
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
411 ch->update = ngx_parse_time(&line, 1);
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
412 if (ch->update == NGX_ERROR || ch->update == 0) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
413 invalid = 1;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
414 break;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
415 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
416
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
417 continue;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
418
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
419 default:
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
420 invalid = 1;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
421 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
422
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
423 if (dup) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
424 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
425 "duplicate value \"%s\"", value[i].data);
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
426 return NGX_CONF_ERROR;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
427 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
428
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
429 if (invalid) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
430 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
431 "invalid value \"%s\"", value[i].data);
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
432 return NGX_CONF_ERROR;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
433 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
434 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
435
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
436 ch->elts = ngx_pcalloc(cf->pool,
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
437 ch->hash * ch->nelts * sizeof(ngx_http_cache_t));
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
438 if (ch->elts == NULL) {
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
439 return NGX_CONF_ERROR;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
440 }
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
441
201
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
442 for (i = 0; i < (ngx_int_t) ch->hash; i++) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
443 c = ch->elts + i * ch->nelts;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
444
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
445 for (j = 0; j < (ngx_int_t) ch->nelts; j++) {
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
446 c[j].fd = NGX_INVALID_FILE;
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
447 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
448 }
267ea1d98683 nginx-0.0.1-2003-11-30-23:03:18 import
Igor Sysoev <igor@sysoev.ru>
parents: 200
diff changeset
449
199
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
450 return NGX_CONF_OK;
a65b630b3a66 nginx-0.0.1-2003-11-28-11:40:40 import
Igor Sysoev <igor@sysoev.ru>
parents: 197
diff changeset
451 }